<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="指标名称" prop="indicatorName">
        <el-input
          v-model="queryParams.indicatorName"
          placeholder="请输入指标名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item>
	    <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['pg:indicator:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="indicatorList"
      row-key="indicatorId"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="指标编号" align="center" prop="indicatorId" />
      <el-table-column label="指标名称" prop="indicatorName" align="left" header-align="left"/>
      <el-table-column label="指标描述" prop="description" align="left" header-align="left" />
      <el-table-column label="显示顺序" align="center" prop="orderNum" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['pg:indicator:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['pg:indicator:add']"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['pg:indicator:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改指标点对话框 -->
    <el-dialog :title="title"
               :close-on-click-modal="false"
               :close-on-press-escape="false"
               :show-close="false"
               custom-class="force-close-dialog"
               :before-close="handleBeforeClose"
               :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="父级指标" prop="parentId">
          <treeselect v-model="form.parentId" :options="indicatorOptions" :normalizer="normalizer" placeholder="请选择父指标ID" />
        </el-form-item>
        <el-form-item label="指标名称" prop="indicatorName">
          <el-input v-model="form.indicatorName" placeholder="请输入指标名称" />
        </el-form-item>
        <el-form-item label="指标描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="排序编号" prop="orderNum">
          <el-input-number :min="0" :max="9999" :step="1" v-model="form.orderNum" type="" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listIndicator, getIndicator, delIndicator, addIndicator, updateIndicator } from "@/api/pg/indicator"
import Treeselect from "@riophae/vue-treeselect"
import "@riophae/vue-treeselect/dist/vue-treeselect.css"

export default {
  name: "Indicator",
  components: {
    Treeselect
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 指标点表格数据
      indicatorList: [],
      // 指标点树选项
      indicatorOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部展开
      isExpandAll: true,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        parentId: null,
        ancestors: null,
        indicatorCode: null,
        indicatorName: null,
        description: null,
        orderNum: null,
        contentType: null,
        filePath: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        indicatorName: [
          { required: true, message: "指标名称不能为空", trigger: "blur" }
        ],
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    /** 查询指标点列表 */
    getList() {
      this.loading = true
      listIndicator(this.queryParams).then(response => {
        this.indicatorList = this.handleTree(response.data, "indicatorId", "parentId")
        this.loading = false
      })
    },
    /** 转换指标点数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.indicatorId,
        label: node.indicatorName,
        children: node.children
      }
    },
	/** 查询指标点下拉树结构 */
    getTreeselect() {
      listIndicator().then(response => {
        this.indicatorOptions = []
        const data = { indicatorId: 0, indicatorName: '顶级节点', children: [] }
        data.children = this.handleTree(response.data, "indicatorId", "parentId")
        this.indicatorOptions.push(data)
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        indicatorId: null,
        parentId: null,
        ancestors: null,
        indicatorCode: null,
        indicatorName: null,
        description: null,
        orderNum: null,
        contentType: null,
        filePath: null,
        status: null,
        delFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null
      }
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset()
      this.getTreeselect()
      if (row != null && row.indicatorId) {
        this.form.parentId = row.indicatorId
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = "添加指标点"
    },
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false
      this.isExpandAll = !this.isExpandAll
      this.$nextTick(() => {
        this.refreshTable = true
      })
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      this.getTreeselect()
      if (row != null) {
        this.form.parentId = row.parentId
      }
      getIndicator(row.indicatorId).then(response => {
        this.form = response.data
        this.open = true
        this.title = "修改指标点"
      })
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.indicatorId != null) {
            updateIndicator(this.form).then(response => {
              this.$modal.msgSuccess("修改成功")
              this.open = false
              this.getList()
            })
          } else {
            addIndicator(this.form).then(response => {
              this.$modal.msgSuccess("新增成功")
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$modal.confirm('是否确认删除指标点编号为"' + row.indicatorId + '"的数据项？').then(() => {
        return delIndicator(row.indicatorId)}).then(() => {
        this.getList()
        this.$modal.msgSuccess("删除成功")
      }).catch(() => {})
    },
    // 关闭预览弹窗
    closePreviewDialog() {
      this.preview.visible = false;
    },

    // 拦截所有非按钮触发的关闭
    handleBeforeClose(done) {
      // 完全阻止非按钮触发的关闭
      return false;
    },
  }
}
</script>

<style scoped>
/* 强制禁用遮罩层点击 */
.force-close-dialog .el-dialog__wrapper {
  pointer-events: none !important;
}

/* 恢复弹窗内容可点击 */
.force-close-dialog .el-dialog {
  pointer-events: auto !important;
}
</style>
